{
  "manageEntity": {
    "action": "Update",
    "entityId": "508307433",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x47b4a3edafb606d6267df5a9d48c9d9914395521f9baab09e3902f7f74585719",
    "signature": "0xea951d3e841c95263cb3105ce7a50b78ee037b2cd8d64b1172e0b327400fcaa07acff7270c259165d1d7f8d5b2e707f9969c6a12a95a6521cd126f6eb4ef6bba1c",
    "signer": "0x02aB27E032095c55Cc0aB50950Fc3460d0Ee5B1E",
    "userId": "508307433"
  }
}